/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.transport.multicast;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.net.MulticastSocket;

import cgl.narada.protocol.Protocol;
import cgl.narada.transport.TransportDebugFlags;
/** 
    The sender involved in Multicast communications.
    @author Shrideep Pallickara
    $Revision$
    $Date$
*/

public class MulticastSenderThread implements TransportDebugFlags {
  private InetAddress ia;
  private int port;
  private MulticastSocket socket;
  private MulticastLink multicastLink;

  private int messageTracker=0;
  private String moduleName="MulticastLink: ";
  
  public MulticastSenderThread(MulticastSocket socket, 
			       InetAddress ia, int port, 
			       MulticastLink multicastLink) {
    this.ia = ia;
    this.port = port;
    this.socket = socket;    
    this.multicastLink = multicastLink;
  }
  

  public void sendData(byte[] data, String dataType) {
    /*NBNI*/
    sendData(data);
  }
  

  public synchronized void sendData(byte[] data) {
    try {
      byte[] dataToSend = new byte[data.length + 1];
      dataToSend[0] = Protocol.DATA;
      System.arraycopy(data, 0, dataToSend, 1, data.length);
      DatagramPacket dp = new DatagramPacket(dataToSend, dataToSend.length, 
					     ia, port);
      socket.send(dp);
      //System.out.print("(s"+ messageTracker++ + " l" +
      //dp.getLength() + ") \n");
      if (MulticastSenderThread_Debug) {
	System.out.println(moduleName + "Sent " + 
			   new String(dataToSend, 1, dataToSend.length-1) );
      }

      Thread.yield();
    } catch (IOException ioe) {
      ioe.printStackTrace();
    } 
  }
  
  
  public void run() {
    
  }
  
}







